The document provides instructions for disassembling a track roller frame on a D11T track-type tractor. It describes using straps and a hydraulic cylinder with a puller stud to remove the recoil spring and pilot assembly from the front of the track roller frame. It then explains how to remove various components from the track roller frame including the trunnion, plate, pin, and retainer assembly using lifting devices and tools. The overall purpose is to fully disassemble the track roller frame for repair or replacement of parts.